I never worry about the few Simmers who kill Sims for fun as in burn up an entire room of them. But sometimes, vampires have to die so yes, I have burned an entire kitchen down when they were all in there. My visiting Sim was a vampire hunter so you know, it had to be done. :D Especially after he learned everyone in that house was a blood sucker.
I'd be more concerned with the ones who create 'real people' and then torture them in their game. I can't ever bring myself to actually build my neighbor, my family, myself. Playing self is jus way too weird for me. Go figure. ETA: in fact to me building someone you don't like in real life then torturing them in your game is way beyond what anyone does who burns down or starves a pixel.
ETA: Number one rule when playing Sims..they aren't real. Playing self or creating self is more disturbing to me than anything anyone does others consider mean. Clarity. Projecting yourself into a game instead of playing a character outside yourself is more disturbing.
